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Week 11: Turtle Timer & Random

📚 Learning Objectives

  • Use ontimer() for countdown
  • Generate random positions
  • Create time-based challenges
  • Display timer on screen

🔗 Required Prior Knowledge

  • Week 10: Collision
  • Week 3: Random module

⏱️ Lesson Flow (60-75 minutes)

Time Activity Description
0-10 min Recap & Setup Review previous week, open starter code
10-25 min New Concept Teacher demonstration of key concept
25-40 min Guided Practice Build together, modify code
40-60 min Independent Work Student tasks A, B, C
60-75 min Wrap-up & Share Demo projects, preview next week

🎯 Success Criteria

  • Student understands new concept
  • Student completes Task A (run & observe)
  • Student completes Task B (guided modification)
  • Student attempts Task C (creative challenge)

⚠️ Common Student Errors

See teacher_notes.md for detailed error examples and demonstrations.

📊 Differentiation

Support:

  • Provide code templates with comments
  • Pair programming with stronger student
  • Extra visual aids and step-by-step guides

Stretch:

  • Additional creative challenges
  • Help peers debug
  • Research extensions

🏠 Homework / Extension

See student_tasks.md for optional extension activities.

📝 Files


⬅️ Week 10 | 📖 Main | ➡️ Week 12